FR2335608A1 - Procede perfectionne pour l'attaque de minerais de chrome riches en silice - Google Patents

Procede perfectionne pour l'attaque de minerais de chrome riches en silice

Info

Publication number
FR2335608A1
FR2335608A1 FR7638205A FR7638205A FR2335608A1 FR 2335608 A1 FR2335608 A1 FR 2335608A1 FR 7638205 A FR7638205 A FR 7638205A FR 7638205 A FR7638205 A FR 7638205A FR 2335608 A1 FR2335608 A1 FR 2335608A1
Authority
FR
France
Prior art keywords
minerals
attack
silica
perfected process
rich chrome
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7638205A
Other languages
English (en)
French (fr)
Other versions
FR2335608B1 (de
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of FR2335608A1 publication Critical patent/FR2335608A1/fr
Application granted granted Critical
Publication of FR2335608B1 publication Critical patent/FR2335608B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Silicon Compounds (AREA)
FR7638205A 1975-12-19 1976-12-17 Procede perfectionne pour l'attaque de minerais de chrome riches en silice Granted FR2335608A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2557403A DE2557403C2 (de) 1975-12-19 1975-12-19 Verfahren zum Aufschluß Kieselsäure-reicher Chromerze

Publications (2)

Publication Number Publication Date
FR2335608A1 true FR2335608A1 (fr) 1977-07-15
FR2335608B1 FR2335608B1 (de) 1983-01-28

Family

ID=5964935

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7638205A Granted FR2335608A1 (fr) 1975-12-19 1976-12-17 Procede perfectionne pour l'attaque de minerais de chrome riches en silice

Country Status (8)

Country Link
US (1) US4112046A (de)
JP (1) JPS5277900A (de)
BR (1) BR7608406A (de)
DE (1) DE2557403C2 (de)
ES (1) ES454382A1 (de)
FR (1) FR2335608A1 (de)
GB (1) GB1537908A (de)
IT (1) IT1069098B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2341658A1 (fr) * 1976-02-21 1977-09-16 Bayer Ag Procede perfectionne pour l'attaque des minerais de chrome

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320094A (en) * 1980-04-15 1982-03-16 Cabot Corporation Partitioning of refractory metals from oxidation resistant scrap alloy
US4753750A (en) * 1984-12-31 1988-06-28 Delaware Liquid laundry detergent composition and method of use
US5125134A (en) * 1985-12-27 1992-06-30 Tamao Morita Magnetic fastener
US5707091A (en) * 1996-06-05 1998-01-13 Tarmo Company, Limited Fastener
US7968066B2 (en) * 2003-03-19 2011-06-28 Institute Of Process Engineering Chinese Academy Of Sciences Method for production of alkali metal chromates
CN104762494B (zh) * 2015-04-03 2017-05-03 攀钢集团攀枝花钢铁研究院有限公司 一种从铬铁矿中提取铬的方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR381266A (fr) * 1907-08-26 1908-01-07 Emilien Viel Procédé pour la fabrication du chrome pur au moyen du ferrochrome du commerce ou d'un oxyde naturel tel que la chromite
FR636782A (de) * 1928-04-16
CH262268A (fr) * 1942-07-06 1949-06-30 Electro Chimie Metal Procédé de fabrication de chromates alcalins.
US2904396A (en) * 1955-03-30 1959-09-15 Bayer Ag Preparation of alkali metal chromate from chrome ores
FR2324580A1 (fr) * 1975-09-20 1977-04-15 Bayer Ag Procede perfectionne pour l'attaque alcaline de chromites
FR2341658A1 (fr) * 1976-02-21 1977-09-16 Bayer Ag Procede perfectionne pour l'attaque des minerais de chrome

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1760788A (en) * 1926-07-01 1930-05-27 Ig Farbenindustrie Ag Production of chromates with simultaneous recovery of alumina
GB612517A (en) * 1942-07-06 1948-11-15 Electro Chimie Metal Improvements in the manufacture of alkali chromates
GB1186439A (en) * 1966-07-12 1970-04-02 Bayer Ag Alkali Treatment of Chromium Ores
US3812234A (en) * 1969-05-24 1974-05-21 Bayer Ag Process for the production of alkalichromate
JPS5246200B2 (de) * 1972-11-11 1977-11-22 Nippon Chemical Ind
DE2365271C3 (de) * 1973-12-31 1979-03-29 Nippon Chemical Industrial Co. Ltd., Tokio Verfahren zur Herstellung von Natriumchromat

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR636782A (de) * 1928-04-16
FR381266A (fr) * 1907-08-26 1908-01-07 Emilien Viel Procédé pour la fabrication du chrome pur au moyen du ferrochrome du commerce ou d'un oxyde naturel tel que la chromite
CH262268A (fr) * 1942-07-06 1949-06-30 Electro Chimie Metal Procédé de fabrication de chromates alcalins.
US2904396A (en) * 1955-03-30 1959-09-15 Bayer Ag Preparation of alkali metal chromate from chrome ores
FR2324580A1 (fr) * 1975-09-20 1977-04-15 Bayer Ag Procede perfectionne pour l'attaque alcaline de chromites
FR2341658A1 (fr) * 1976-02-21 1977-09-16 Bayer Ag Procede perfectionne pour l'attaque des minerais de chrome

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2341658A1 (fr) * 1976-02-21 1977-09-16 Bayer Ag Procede perfectionne pour l'attaque des minerais de chrome

Also Published As

Publication number Publication date
JPS5277900A (en) 1977-06-30
US4112046A (en) 1978-09-05
GB1537908A (en) 1979-01-10
DE2557403C2 (de) 1983-01-13
DE2557403A1 (de) 1977-06-30
IT1069098B (it) 1985-03-25
JPS5728363B2 (de) 1982-06-16
BR7608406A (pt) 1977-12-13
ES454382A1 (es) 1977-12-16
FR2335608B1 (de) 1983-01-28

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Legal Events

Date Code Title Description
ST Notification of lapse